The main symptoms of mesenteric vein embolism in the early stages include abdominal discomfort, diarrhea and constipation. As the disease progresses, the abdominal pain becomes severe, often accompanied by persistent diarrhea, and eventually the bowel sounds will diminish and gradually disappear. Common causes of mesenteric vein embolism include hypercoagulability of the blood due to hereditary or acquired diseases, including malignant tumors abdominal inflammation and cirrhotic ascites. Early symptoms of the disease are not obvious, only mild abdominal discomfort, which can be easily missed. However, as the disease progresses, the abdominal pain becomes severe. In the late stage of the disease, intestinal peristalsis basically disappears, and bowel sounds will gradually weaken and disappear. If you experience severe abdominal pain with persistent diarrhea in your daily life, you should consult a doctor in time to avoid delaying your condition.